{"id":"CVE-2022-21704","aliases":["AZL-45261","CLSA-2026-1772583203","CLSA-2026-1774743817","CLSA-2026-1774743830","CLSA-2026-1786731948","CLSA-2026-1788553383","CLSA-2026-1792473187","DEBIAN-CVE-2022-21704","DLA-3229-1","EUVD-2022-0513","GHSA-2cf5-4w76-r9qv","GHSA-39q2-94rc-95cp","GHSA-82v2-mx6x-wq7q","GHSA-cj63-jhhr-wcxv","GHSA-cjmm-f4jc-qw8r","GHSA-g9r4-xpmj-mj65","GHSA-h8r8-wccr-v5f2","GHSA-q2c6-c6pm-g3gh","GHSA-q42p-pg8m-cqh6","ROOT-APP-NPM-GHSA-2cf5-4w76-r9qv","ROOT-APP-NPM-GHSA-g9r4-xpmj-mj65","ROOT-APP-NPM-GHSA-q2c6-c6pm-g3gh","ROOT-APP-NPM-GHSA-q42p-pg8m-cqh6","UBUNTU-CVE-2022-21704"],"status":"published","title":"Incorrect Default Permissions in log4js-node","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00297,"percentile":0.22583,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321","CWE-276","CWE-471","CWE-94"],"published":"2019-06-05T14:07:48Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"npm","package":"handlebars","fixed_in":["3.0.8","4.5.2","4.5.3","4.1.2","4.0.14","3.0.7"],"sources":["ghsa","osv"]},{"ecosystem":"npm","package":"log4js","fixed_in":["6.4.0"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:npm","package":"log4js","fixed_in":["4.5.1-tuxcare.1","3.0.3-tuxcare.1","0.6.38-tuxcare.1"],"sources":["osv"]},{"ecosystem":"TuxCare:npm","package":"handlebars","fixed_in":["1.3.0-tuxcare.1","1.0.12-tuxcare.2"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"node-log4js","fixed_in":["6.4.1+~cs8.3.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"node-log4js","fixed_in":["6.4.1+~cs8.3.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"node-log4js","fixed_in":["6.4.1+~cs8.3.5-1"],"sources":["osv"]},{"ecosystem":"Debian:10","package":"node-log4js","fixed_in":["4.0.2-2+deb10u1"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"handlebars","fixed_in":["3.0.7-aikido.3","3.0.3-aikido.2","3.0.8-aikido.1","3.0.8-aikido.2","3.0.7-aikido.1","3.0.7-aikido.2"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"@rootio/handlebars","fixed_in":["3.0.7-root.io.3","3.0.3-root.io.2","3.0.8-root.io.1","3.0.8-root.io.2","3.0.7-root.io.1","3.0.7-root.io.2"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.8"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.5.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.8"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.5.3"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.8"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.5.3"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"4.1.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.14"}]}]},{"source":"ghsa","ecosystem":"npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"js-jquery","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.5.0-4"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.1-tuxcare.0"},{"fixed":"4.5.1-tuxcare.1"}]}],"versions":["4.5.1"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.3.0-tuxcare.0"},{"fixed":"1.3.0-tuxcare.1"}]}],"versions":["1.3.0"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.12-tuxcare.0"},{"fixed":"1.0.12-tuxcare.2"}]}],"versions":["1.0.12","1.0.12-tuxcare.1"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.3-tuxcare.0"},{"fixed":"3.0.3-tuxcare.1"}]}],"versions":["3.0.3"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.6.38-tuxcare.0"},{"fixed":"0.6.38-tuxcare.1"}]}],"versions":["0.6.38"]},{"source":"osv","ecosystem":"Debian:12","package":"node-log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.1+~cs8.3.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"node-log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.1+~cs8.3.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"node-log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.1+~cs8.3.5-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"node-log4js","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.2-2+deb10u1"}]}],"versions":["4.0.2-2"]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.8"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"4.5.2"}]}]},{"source":"osv","ecosystem":"npm","package":"log4js","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.4.0"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.8"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"4.5.3"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.8"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"4.5.3"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"4.1.0"},{"fixed":"4.1.2"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0"},{"fixed":"4.0.14"}]}]},{"source":"osv","ecosystem":"npm","package":"handlebars","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.0.7"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-aikido.3"},{"fixed":"3.0.3-aikido.2"},{"fixed":"3.0.8-aikido.1"},{"fixed":"3.0.8-aikido.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-root.io.3"},{"fixed":"3.0.3-root.io.2"},{"fixed":"3.0.8-root.io.1"},{"fixed":"3.0.8-root.io.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-aikido.3"},{"fixed":"3.0.3-aikido.2"},{"fixed":"3.0.8-aikido.1"},{"fixed":"3.0.8-aikido.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-root.io.3"},{"fixed":"3.0.3-root.io.2"},{"fixed":"3.0.8-root.io.1"},{"fixed":"3.0.8-root.io.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-aikido.3"},{"fixed":"3.0.3-aikido.2"},{"fixed":"3.0.8-aikido.1"},{"fixed":"3.0.8-aikido.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7-root.io.3"},{"fixed":"3.0.3-root.io.2"},{"fixed":"3.0.8-root.io.1"},{"fixed":"3.0.8-root.io.2"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3-aikido.2"},{"fixed":"3.0.7-aikido.1"},{"fixed":"3.0.7-aikido.2"},{"fixed":"3.0.7-aikido.3"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/handlebars","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3-root.io.2"},{"fixed":"3.0.7-root.io.1"},{"fixed":"3.0.7-root.io.2"},{"fixed":"3.0.7-r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Party Advisory","advisory","web","report"]},{"url":"https://github.com/log4js-node/log4js-node/pull/1141/commits/8042252861a1b65adb66931fdf702ead34fa9b76","tags":["x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://github.com/log4js-node/streamroller/pull/87","tags":["x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://github.com/log4js-node/log4js-node/blob/v6.4.0/CHANGELOG.md#640","tags":["x_transferred","Release Notes","Third Party Advisory","web","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00014.html","tags":["mailing-list","x_transferred","Mailing List","Third Party Advisory","article","web"]},{"url":"https://www.npmjs.com/advisories/1316","tags":["web"]},{"url":"https://github.com/advisories/GHSA-2cf5-4w76-r9qv"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21704","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-82v2-mx6x-wq7q"},{"url":"https://www.npmjs.com/advisories/1325","tags":["web"]},{"url":"https://github.com/advisories/GHSA-g9r4-xpmj-mj65"},{"url":"https://www.npmjs.com/advisories/1324","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q2c6-c6pm-g3gh"},{"url":"https://github.com/handlebars-lang/handlebars.js/issues/1495","tags":["web"]},{"url":"https://github.com/handlebars-lang/handlebars.js/commit/7372d4e9dffc9d70c09671aa28b9392a1577fd86","tags":["web"]},{"url":"https://snyk.io/vuln/SNYK-JS-HANDLEBARS-173692","tags":["web"]},{"url":"https://www.npmjs.com/advisories/755","tags":["web"]},{"url":"https://github.com/handlebars-lang/handlebars.js/commit/0d6d8c335ad81bad1b672fc56b6a44f6aa472dac","tags":["web"]},{"url":"https://github.com/handlebars-lang/handlebars.js/commit/85c8783b34fc6d36145d8b53885ad0b9e3c3f9c4","tags":["web"]},{"url":"https://github.com/handlebars-lang/handlebars.js/commit/cd38583216dce3252831916323202749431c773e","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q42p-pg8m-cqh6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21704.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2022-21704","tags":["advisory"]},{"url":"https://github.com/log4js-node/log4js-node","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2022-21704","tags":["report"]},{"url":"https://github.com/log4js-node/log4js-node/pull/1141","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-21704","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-21704","title":"Incorrect Default Permissions in log4js-node","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","status":"published","published":"2022-01-19T00:00:00Z","modified":"2025-04-23T19:10:12.838Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:34:29.478363Z"}],"euvd":[{"id":"EUVD-2022-0513","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","status":"published","published":"2022-01-19T00:00:00Z","modified":"2025-04-23T19:10:12Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:06.891582Z"}],"ghsa":[{"id":"GHSA-2cf5-4w76-r9qv","title":"Arbitrary Code Execution in handlebars","description":"Versions of `handlebars` prior to 3.0.8 or 4.5.2 are vulnerable to Arbitrary Code Execution. The package's lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript in the system. It can be used to run arbitrary code in a server processing Handlebars templates or on a victim's browser (effectively serving as Cross-Site Scripting).\n\nThe following template can be used to demonstrate the vulnerability:  \n```{{#with \"constructor\"}}\n\t{{#with split as |a|}}\n\t\t{{pop (push \"alert('Vulnerable Handlebars JS');\")}}\n\t\t{{#with (concat (lookup join (slice 0 1)))}}\n\t\t\t{{#each (slice 2 3)}}\n\t\t\t\t{{#with (apply 0 a)}}\n\t\t\t\t\t{{.}}\n\t\t\t\t{{/with}}\n\t\t\t{{/each}}\n\t\t{{/with}}\n\t{{/with}}\n{{/with}}```\n\n\n## Recommendation\n\nUpgrade to version 3.0.8, 4.5.2 or later.","status":"published","published":"2020-09-04T14:57:38Z","modified":"2024-02-07T05:08:28Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:L","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:37:36.076201Z"},{"id":"GHSA-82v2-mx6x-wq7q","title":"Incorrect Default Permissions in log4js","description":"### Impact\r\nDefault file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config.\r\n\r\n### Patches\r\nFixed by:\r\n* https://github.com/log4js-node/log4js-node/pull/1141\r\n* https://github.com/log4js-node/streamroller/pull/87\r\n\r\nReleased to NPM in log4js@6.4.0\r\n\r\n### Workarounds\r\nEvery version of log4js published allows passing the mode parameter to the configuration of file appenders, see the documentation for details.\r\n\r\n### References\r\n\r\nThanks to [ranjit-git](https://www.huntr.dev/users/ranjit-git) for raising the issue, and to @lamweili for fixing the problem.\r\n\r\n### For more information\r\nIf you have any questions or comments about this advisory:\r\n* Open an issue in [logj4s-node](https://github.com/log4js-node/log4js-node)\r\n* Ask a question in the [slack channel](https://join.slack.com/t/log4js-node/shared_invite/enQtODkzMDQ3MzExMDczLWUzZmY0MmI0YWI1ZjFhODY0YjI0YmU1N2U5ZTRkOTYyYzg3MjY5NWI4M2FjZThjYjdiOGM0NjU2NzBmYTJjOGI)\r\n* Email us at [gareth.nomiddlename@gmail.com](mailto:gareth.nomiddlename@gmail.com)\r\n","status":"published","published":"2022-01-21T18:53:27Z","modified":"2024-01-24T08:54:14Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:37:32.302254Z"},{"id":"GHSA-q42p-pg8m-cqh6","title":"Prototype Pollution in handlebars","description":"Versions of `handlebars` prior to 4.0.14 are vulnerable to Prototype Pollution. Templates may alter an Objects' prototype, thus allowing an attacker to execute arbitrary code on the server.\n\n\n## Recommendation\n\nFor handlebars 4.1.x upgrade to 4.1.2 or later.\nFor handlebars 4.0.x upgrade to 4.0.14 or later.","status":"published","published":"2019-06-05T14:07:48Z","modified":"2023-11-29T20:32:55Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-471"],"updated_at":"2026-11-02T14:37:22.840002Z"},{"id":"GHSA-g9r4-xpmj-mj65","title":"Prototype Pollution in handlebars","description":"Versions of `handlebars` prior to 3.0.8 or 4.5.3 are vulnerable to prototype pollution. It is possible to add or modify properties to the Object prototype through a malicious template. This may allow attackers to crash the application or execute Arbitrary Code in specific conditions.\n\n\n## Recommendation\n\nUpgrade to version 3.0.8, 4.5.3 or later.","status":"published","published":"2020-09-04T15:06:32Z","modified":"2023-01-09T05:04:02Z","cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:08.267721Z"},{"id":"GHSA-q2c6-c6pm-g3gh","title":"Arbitrary Code Execution in handlebars","description":"Versions of `handlebars` prior to 3.0.8 or 4.5.3 are vulnerable to Arbitrary Code Execution. The package's lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript in the system. It is due to an incomplete fix for a [previous issue](https://www.npmjs.com/advisories/1316). This vulnerability can be used to run arbitrary code in a server processing Handlebars templates or on a victim's browser (effectively serving as Cross-Site Scripting).\n\n\n## Recommendation\n\nUpgrade to version 3.0.8, 4.5.3 or later.","status":"published","published":"2020-09-04T15:07:38Z","modified":"2023-01-09T05:04:24Z","updated_at":"2026-11-02T14:36:09.554044Z"}],"nvd":[{"id":"CVE-2022-21704","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","status":"published","published":"2022-01-19T23:15:08.177Z","modified":"2026-06-17T04:26:48.187Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:07:11.52734Z"}],"osv":[{"id":"AZL-45261","title":"CVE-2022-21704 affecting package js-jquery 3.5.0-4","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","status":"published","published":"2022-01-19T23:15:08Z","modified":"2026-11-05T05:36:30Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-05T16:41:20.321068Z"},{"id":"CVE-2022-21704","title":"Incorrect Default Permissions in log4js-node","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","status":"published","published":"2022-01-19T00:00:00Z","modified":"2026-10-28T02:31:12.675411228Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T15:44:23.655778Z"},{"id":"GHSA-2cf5-4w76-r9qv","title":"Arbitrary Code Execution in handlebars","description":"Versions of `handlebars` prior to 3.0.8 or 4.5.2 are vulnerable to Arbitrary Code Execution. The package's lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript in the system. It can be used to run arbitrary code in a server processing Handlebars templates or on a victim's browser (effectively serving as Cross-Site Scripting).\n\nThe following template can be used to demonstrate the vulnerability:  \n```{{#with \"constructor\"}}\n\t{{#with split as |a|}}\n\t\t{{pop (push \"alert('Vulnerable Handlebars JS');\")}}\n\t\t{{#with (concat (lookup join (slice 0 1)))}}\n\t\t\t{{#each (slice 2 3)}}\n\t\t\t\t{{#with (apply 0 a)}}\n\t\t\t\t\t{{.}}\n\t\t\t\t{{/with}}\n\t\t\t{{/each}}\n\t\t{{/with}}\n\t{{/with}}\n{{/with}}```\n\n\n## Recommendation\n\nUpgrade to version 3.0.8, 4.5.2 or later.","status":"published","published":"2020-09-04T14:57:38Z","modified":"2026-09-10T03:48:33.174881747Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:L","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:46:34.338541Z"},{"id":"GHSA-82v2-mx6x-wq7q","title":"Incorrect Default Permissions in log4js","description":"### Impact\nDefault file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config.\n\n### Patches\nFixed by:\n* https://github.com/log4js-node/log4js-node/pull/1141\n* https://github.com/log4js-node/streamroller/pull/87\n\nReleased to NPM in log4js@6.4.0\n\n### Workarounds\nEvery version of log4js published allows passing the mode parameter to the configuration of file appenders, see the documentation for details.\n\n### References\n\nThanks to [ranjit-git](https://www.huntr.dev/users/ranjit-git) for raising the issue, and to @lamweili for fixing the problem.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [logj4s-node](https://github.com/log4js-node/log4js-node)\n* Ask a question in the [slack channel](https://join.slack.com/t/log4js-node/shared_invite/enQtODkzMDQ3MzExMDczLWUzZmY0MmI0YWI1ZjFhODY0YjI0YmU1N2U5ZTRkOTYyYzg3MjY5NWI4M2FjZThjYjdiOGM0NjU2NzBmYTJjOGI)\n* Email us at [gareth.nomiddlename@gmail.com](mailto:gareth.nomiddlename@gmail.com)\n","status":"published","published":"2022-01-21T18:53:27Z","modified":"2023-11-08T04:08:08.863264Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T15:46:41.732368Z"},{"id":"GHSA-q42p-pg8m-cqh6","title":"Prototype Pollution in handlebars","description":"Versions of `handlebars` prior to 4.0.14 are vulnerable to Prototype Pollution. Templates may alter an Objects' prototype, thus allowing an attacker to execute arbitrary code on the server.\n\n\n## Recommendation\n\nFor handlebars 4.1.x upgrade to 4.1.2 or later.\nFor handlebars 4.0.x upgrade to 4.0.14 or later.","status":"published","published":"2019-06-05T14:07:48Z","modified":"2026-09-10T03:48:23.648231681Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-471"],"updated_at":"2026-11-02T15:46:54.055966Z"},{"id":"UBUNTU-CVE-2022-21704","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","status":"published","published":"2022-01-19T23:15:00Z","modified":"2025-10-24T04:53:26Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:53:52.391598Z"},{"id":"CLSA-2026-1772583203","title":"TuxCare security update for log4js (1 CVE)","description":"TuxCare rebuilt log4js to address 1 CVE. Fixed in 4.5.1-tuxcare.1.","status":"published","published":"2026-08-04T14:52:10Z","modified":"2026-10-15T09:45:27.19224444Z","updated_at":"2026-11-02T15:43:43.249928Z"},{"id":"CLSA-2026-1774743817","title":"TuxCare security update for handlebars (1 CVE)","description":"TuxCare rebuilt handlebars to address 1 CVE. Fixed in 1.3.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:15Z","modified":"2026-10-15T09:47:48.668758728Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"CLSA-2026-1774743830","title":"TuxCare security update for handlebars (3 CVEs)","description":"TuxCare rebuilt handlebars to address 3 CVEs. Fixed in 1.0.12-tuxcare.2.","status":"published","published":"2026-08-04T14:52:16Z","modified":"2026-10-23T19:28:13.663406058Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"CLSA-2026-1786731948","title":"TuxCare security update for dompurify (34 CVEs)","description":"TuxCare rebuilt dompurify to address 34 CVEs. Fixed in 3.0.3-tuxcare.1.","status":"withdrawn","published":"2026-08-14T18:25:48Z","modified":"2026-10-26T13:21:31Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"CLSA-2026-1788553383","title":"TuxCare security update for log4js (1 CVE)","description":"TuxCare rebuilt log4js to address 1 CVE. Fixed in 3.0.3-tuxcare.1.","status":"published","published":"2026-09-04T20:23:03Z","modified":"2026-10-15T09:48:03.094866654Z","updated_at":"2026-11-02T15:43:47.591214Z"},{"id":"CLSA-2026-1792473187","title":"TuxCare security update for log4js (1 CVE)","description":"TuxCare rebuilt log4js to address 1 CVE. Fixed in 0.6.38-tuxcare.1.","status":"published","published":"2026-10-20T05:13:07Z","modified":"2026-10-20T07:15:07.675810035Z","updated_at":"2026-11-02T15:43:54.378946Z"},{"id":"DEBIAN-CVE-2022-21704","description":"log4js-node is a port of log4js to node.js. In affected versions default file permissions for log files created by the file, fileSync and dateFile appenders are world-readable (in unix). This could cause problems if log files contain sensitive information. This would affect any users that have not supplied their own permissions for the files via the mode parameter in the config. Users are advised to update.","status":"published","published":"2022-01-19T23:15:08.177Z","modified":"2026-11-03T06:01:14.480520065Z","updated_at":"2026-11-03T06:44:26.638603Z"},{"id":"DLA-3229-1","title":"node-log4js - security update","status":"published","published":"2022-12-07T00:00:00Z","modified":"2026-03-09T01:20:03.954695Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"GHSA-g9r4-xpmj-mj65","title":"Prototype Pollution in handlebars","description":"Versions of `handlebars` prior to 3.0.8 or 4.5.3 are vulnerable to prototype pollution. It is possible to add or modify properties to the Object prototype through a malicious template. This may allow attackers to crash the application or execute Arbitrary Code in specific conditions.\n\n\n## Recommendation\n\nUpgrade to version 3.0.8, 4.5.3 or later.","status":"published","published":"2020-09-04T15:06:32Z","modified":"2026-09-10T03:49:13.649783342Z","cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:47.472172Z"},{"id":"GHSA-q2c6-c6pm-g3gh","title":"Arbitrary Code Execution in handlebars","description":"Versions of `handlebars` prior to 3.0.8 or 4.5.3 are vulnerable to Arbitrary Code Execution. The package's lookup helper fails to properly validate templates, allowing attackers to submit templates that execute arbitrary JavaScript in the system. It is due to an incomplete fix for a [previous issue](https://www.npmjs.com/advisories/1316). This vulnerability can be used to run arbitrary code in a server processing Handlebars templates or on a victim's browser (effectively serving as Cross-Site Scripting).\n\n\n## Recommendation\n\nUpgrade to version 3.0.8, 4.5.3 or later.","status":"published","published":"2020-09-04T15:07:38Z","modified":"2026-09-10T03:48:58.277710865Z","updated_at":"2026-11-02T15:46:53.700556Z"},{"id":"ROOT-APP-NPM-GHSA-2cf5-4w76-r9qv","title":"GHSA-2cf5-4w76-r9qv in handlebars - Patched by Root","description":"Root has patched GHSA-2cf5-4w76-r9qv in the handlebars package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-10-20T10:47:36Z","modified":"2026-10-20T11:15:38.540557189Z","updated_at":"2026-11-02T15:53:27.940619Z"},{"id":"ROOT-APP-NPM-GHSA-g9r4-xpmj-mj65","title":"GHSA-g9r4-xpmj-mj65 in handlebars - Patched by Root","description":"Root has patched GHSA-g9r4-xpmj-mj65 in the handlebars package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-10-20T10:47:36Z","modified":"2026-10-20T11:15:39.391242933Z","updated_at":"2026-11-02T15:53:27.940619Z"},{"id":"ROOT-APP-NPM-GHSA-q2c6-c6pm-g3gh","title":"GHSA-q2c6-c6pm-g3gh in handlebars - Patched by Root","description":"Root has patched GHSA-q2c6-c6pm-g3gh in the handlebars package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-10-20T10:47:36Z","modified":"2026-10-20T11:15:37.928892011Z","updated_at":"2026-11-02T15:53:27.940619Z"},{"id":"ROOT-APP-NPM-GHSA-q42p-pg8m-cqh6","title":"GHSA-q42p-pg8m-cqh6 in handlebars - Patched by Root","description":"Root has patched GHSA-q42p-pg8m-cqh6 in the handlebars package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-10-20T10:47:36Z","modified":"2026-10-20T11:15:37.540463486Z","updated_at":"2026-11-02T15:53:27.940619Z"}]}}